#mainNav a:hover{background: none; filter:progid:DXImageTransform.Microsoft.AlphaImageLoader(src='../images/mainnav_left.png', sizingMethod='scale');}

#mainNav a:hover span{background: none; filter:progid:DXImageTransform.Microsoft.AlphaImageLoader(src='../images/mainnav_right.png', sizingMethod='scale');}

#mainNav a.on,#mainNav a.on:link,#mainNav a.on:visited,#mainNav a.on:hover{background: none; filter:progid:DXImageTransform.Microsoft.AlphaImageLoader(src='../images/mainnav_left.png', sizingMethod='scale');}

#mainNav a.on span,#mainNav a.on:link span,#mainNav a.on:visited span,#mainNav a.on:hover span{background: none; filter:progid:DXImageTransform.Microsoft.AlphaImageLoader(src='../images/mainnav_right.png', sizingMethod='scale');}

#mainNav a{background: none; filter:progid:DXImageTransform.Microsoft.AlphaImageLoader(src='../images/mainnav_left.png', sizingMethod='scale');}

